<template>
  <div class="my-tag">
    <input class="input" type="text" placeholder="输入标签" 
    v-if="isShow"
    v-model="inputTag" 
    v-focus
    @keydown.enter="changeTag"
    @blur="isShow = false"
    />
    <div class="text" v-else @dblclick="show">{{value}}</div>
  </div>
</template>

<script>
export default {
  props:{
   value:{
    required:true,
    type:String
   }
  },
  name: "MyTag",
 
  data() {
    return {
     isShow:false,
     inputTag:'',
    };
  },

  methods: {    show(){
      this.isShow = true
      this.inputTag = this.value
    },
    changeTag(){
      this.$emit('input',this.inputTag)
      this.isShow = false
    }
  },
};
</script>

<style lang="less" scoped>
.my-tag {
  cursor: pointer;
  .input {
    appearance: none;
    outline: none;
    border: 1px solid #ccc;
    width: 100px;
    height: 40px;
    box-sizing: border-box;
    padding: 10px;
    color: #666;
    &::placeholder {
      color: #666;
    }
  }
}
</style>